added fil_json_escape filter

winixd/templates/filters.cpp

@@ -34,6 +34,9 @@
  
 #include "templates.h"
 #include "core/misc.h"
+#include "convert/misc.h"
+
+
 
 namespace Winix
 {
@@ -165,6 +168,19 @@ void fil_csv_escape(Info & i)
 }
 
 
+void fil_json_escape(Info & i)
+{
+	pt::WTextStream str;
+
+	for(size_t a=0 ; a < i.in.size() ; ++a)
+	{
+		wchar_t c = i.in.get_wchar(a);
+		pt::esc_to_json(c, str);
+		i.out << R(str);
+		str.clear();
+	}
+}
+
 
 void fil_new_line_to_br(Info & i)
 {